.client-container {
    height: 100%;
    display: flex;
    justify-self: center;
    align-items: center;
}

.main {
    width: 1000px;
    height: 740px;
    background-color: rgb(238, 238, 238);
    border-radius: 5px;
    display: flex;
    z-index: 2;
}

.main .left {
    width: 280px;
    height: 100%;
    background-color: rgb(46, 50, 56);

    border-top-left-radius: 5px;
    border-bottom-left-radius: 5px;
}

.main .right {
    width: 720px;
    height: 100%;

    padding: 0 20px;
}

.cover {
    width: 100%;
    height: 100%;
    background-image: url(../image/城市夜景-捷克布拉格-02-全景.jpg);
    background-repeat: no-repeat;
    background-position: center center;
    background-size: cover;

    position: absolute;
    top: 0;
    left: 0;

    z-index: 1;
    filter: blur(7px);
}

.main .left .user {
    height: 80px;
    line-height: 80px;
    font-size: 20px;
    color: white;
    padding: 0 20px;
}

.main .left .search {
    height: 40px;
    padding: 0 20px;

    display: flex;
    justify-content: center;
    align-items: center;
}

.main .left .search input {
    height: 34px;
    width: 200px;
    line-height: 34px;
    font-size: 14px;
    color: white;
    background-color: rgb(38, 41, 46);

    border: none;
    outline: none;
    padding-left: 10px;

    border-radius: 5px;
}

.main .left .search button {
    height: 34px;
    width: 34px;
    border: none;
    outline: none;

    background-color: rgb(38, 41, 46);

    border-radius: 5px;
    background-image: url('../image/搜索.png');
    background-repeat: no-repeat;
    background-size: 20px 20px;
    background-position: center center;
}

.main .left .search button:active {
    background-color: grey;
}

.main .left .tab {
    height: 50px;
    display: flex;
    align-items: center;
}

.main .left .tab .tab-session {
    height: 100%;
    width: 50%;

    background-image: url('../image/对话.png');
    background-repeat: no-repeat;
    background-size: 30px 30px;
    background-position: center center;
}


.main .left .tab .tab-friend {
    height: 100%;
    width: 50%;

    background-image: url('../image/用户2.png');
    background-repeat: no-repeat;
    background-size: 30px 30px;
    background-position: center center;
}

.main .left .list {
    list-style: none;
    height: 570px;
    overflow: auto;
}

.main .left .list li {
    height: 60px;
    padding: 10px 20px;
    color: white;
    border-top: 1px solid black;
}

.main .left .list .selected {
    background-color: rgb(46, 54, 65);
}

.main .left .list li h3,
.main .left .list li p {
    height: 20px;
    font-size: 14px;
    line-height: 20px;
}

.main .left .list li h4 {
    height: 40px;
    line-height: 40px;
    font-size: 20px;
    margin-bottom: 2px;
}

.hide {
    display: none;
}

::-webkit-scrollbar {
    display: none;
}

.main .right .title {
    height: 50px;
    line-height: 50px;
    font-size: 20px;
    text-align: center;
    border-bottom: 1px solid #ccc;
}

.main .right .message-show {
    height: 550px;

    border-top: 1px solid #ccc;
    border-bottom: 1px solid #ccc;

    overflow: auto;
}

.main .right .message-show .message {
    margin-top: 10px;
    display: flex;
}

.main .right .message-show .message-left {
    justify-content: flex-start;
}

.main .right .message-show .message-right {
    justify-content: flex-end;
}

.main .right .message-show .message .box {
    /* width: 500px; */
    width: auto;
}

.main .right .message-show .message .box h3 {
    font-weight: 700;
    height: 20px;
    line-height: 20px;
    font-size: 16px;
    margin-bottom: 7px;
}

.h3-right {
    text-align: right;
}

.main .right .message-show .message .box p {
    padding: 10px 20px;
    border-radius: 10px;
}

.p-left {
    margin-left: 20px;
}

.p-right {
    margin-right: 20px;
}

.main .right .message-show .message-left .box p {
    background-color: #fff;
}

.main .right .message-show .message-right .box p {
    background-color: rgb(123 205 81);
}

.main .right .message-input {
    display: block;
    width: 100%;
    height: 100px;
    border: none;
    outline: none;

    margin-top: 2px;
    background-color: rgb(238, 238, 238);
    padding: 10px;
    resize: none;

    font-size: 18px;
}

.main .right .ctrl {
    height: 35px;
    display: flex;
    justify-content: flex-end;
}

.main .right .ctrl button {
    height: 35px;
    width: 100px;
    background-color: #fff;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.main .right .ctrl button:active {
    background-color: grey;
    color: white;
}